The present collection includes papers by participants of the
Seventh International Conference
Symmetry in Nonlinear Mathematical Physics, held at Kyiv (Kiev), June 24−30, 2007.
It continues the series of meetings started at the Institute of Mathematics of NAS of Ukraine in 1995.

The issue contains 54 papers with the total of 867 pages.

We would like to thank all the conference participants, all the authors who have published papers in
the issue, and to give our special thanks to all the referees for
providing constructive reports.